This inventor holds 1 USPTO granted patent. Top assignees: Tohoku Electric Manufacturing Co., Ltd., Zaidan Hojin Handotai Kenkyu Shinkokai. Active years: 1990.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 3 
1 out of 81 Years Active: 1990
Title: Koji Ishibashi: Innovator in Power Control Technology
Introduction
Koji Ishibashi is a notable inventor based in Tagajo, Japan. He has made significant contributions to the field of power control technology, particularly through his innovative patent.
Latest Patents
Ishibashi holds a patent for a power control apparatus. This invention utilizes a pair of static induction thyristors, which are coupled in parallel in opposite bias directions between an AC power source and a load. The thyristors are activated by a light signal and can be turned off through natural commutation, a light signal, or an electric signal. The turn-off light signal is generated within a phase angle of 90 degrees around the zero-cross point of the AC voltage from the power source.
Career Highlights
Throughout his career, Koji Ishibashi has worked with prominent companies, including Tohoku Electric Manufacturing Co., Ltd. and Zaidan Hojin Handotai Kenkyu Sinkokai. His work has been instrumental in advancing power control technologies.
Collaborations
Ishibashi has collaborated with notable individuals in his field, including Jun-ichi Nishizawa and Takashige Tamamushi. Their collective efforts have contributed to the development of innovative solutions in power control.
Conclusion
Koji Ishibashi's contributions to power control technology through his patent and collaborations highlight his role as an influential inventor. His work continues to impact the field positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile